嵌入式的投影仪控制协议，包括PJlink协议格式，协议内容，具体每条控制指令的用法。

pjlink协议，网络控制投影机所有功能，包括开机，关机，开关阀门，断电等等

PjLink协议网络控制投影机 As the demand for projectors increases with the popularization of personal computers, many manufacturers have branched out into projector markets. With the recent diversification of digital media and growth of IP networks, projectors with a higher utility value, namely support for networks, are now on the market.

PJLink协议实现投影机开关机， PJLink能实现遥控器的所有功能，当然，此代码中，实现对松下机型的开关控制，只是实例。 如果要实现其它功能，只要知道相应的控制代码即可。